Bunlsi
Bunlsi—a fortran program for solution of systems of nonlinear algebraic equations. Improved approaches to critical topics in the solution of systems of nonlinear equations are presented, including a new objective function, defined to ensure more reliable convergence tests; an efficient procedure for updating the Jacobian matrix; a bidimensional search, proposed to replace Newton’s iteration when it fails; and finally, a procedure avoiding difficulties due to ill-conditioned Jacobians.
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References in zbMATH (referenced in 2 articles )
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Sorted by year (- Manca, D.; Buzzi-Ferraris, G.; Faravelli, T.; Ranzi, E.: Numerical problems in the solution of oxidation and combustion models (2001)
- Maranas, Costas D.; Floudas, Christodoulos A.: Finding all solutions of nonlinearly constrained systems of equations (1995)